12/31/2013 12:36 pm ET Updated Mar 02, 2014

82nd & Fifth HIPSTER by Jan Glier Reeder

Charles James used mathematical concepts to conceptualize the structural shape of this ball gown, which is made of four different fabrics. "The construction defies any usual dress-making norms," says curator Jan Glier Reeder.

View archival images of Charles James' evening gown.